iMac Intel 27" EMC 2546 GTX 680MX GPU Logic Board - iFixit Store
Amazon.com: Odyson - Logic Board NVIDIA GeForce GTX 755M (2GB) Replacement for iMac 27" A1419 (Late 2013) : Electronics
2011 iMac Graphics Card Upgrade | MacRumors Forums
Apple iMac review (2012) | Engadget
SOLVED: What GPU's are compatible with iMac 27" 2011? - iMac Intel 27" EMC 2429 - iFixit
2011 iMac Graphics Card Upgrade | MacRumors Forums
The 21.5-inch iMac unofficially supports up to Intel Core i9 processors; surpasses the 24-inch iMac with an Apple M1 SoC - NotebookCheck.net News
Newest iMacs have removable GPU, ambient light sensor | Ars Technica
iMac Repair & Upgrade, Same Day Services
iMac (Late 2012) | Low End Mac
Upgrading an older iMac's graphics card...possible? : r/mac
iMac Intel 27" (Late 2009 or Mid 2010) Graphics Card Replacement - iFixit Repair Guide
2011 iMac Graphics Card Upgrade | Page 3 | MacRumors Forums
Apple iMac 21.5" - Late 2012 Reviews, Pros and Cons | TechSpot
Apple iMac review (2012) | Engadget
Analyzing the iMac 5K Retina display: How do you get 5K @ 60Hz from a last-gen GPU? (updated) - ExtremeTech
Apple iMac review (2012) | Engadget
iMac Intel 27" EMC 2374, AMD Radeon HD 4850 Video Card Removal & Repair - iFixit Repair Guide
iMac Repair & Upgrade, Same Day Services
Review: 21.5-inch 2012 iMac takes two steps forward, one step back | Ars Technica
2011 iMac 27″ GPU failure Fix/Upgrade – JCYCLE
2011 iMac Graphics Card Upgrade | MacRumors Forums
Apple iMac A1418 21.5" Desktop - MD093LL/A (November, 2012) for sale online | eBay
Apple opens graphics card replacement program for some mid-2011 iMacs - 9to5Mac
